Date: 05-31-2007

Observers:  10:00 am ~ 12:00 pm  leona/Chuen Meei(Fanny) 
            3:00 pm ~  6:00 pm  cao/vivianna
            

Weather status: Cloudy (low cloud and high cirrus)             
                Plumes at 1.5~4.0 km

Lidar status: normal

alignment at 355nm 532nm and 1064nm at 10:30am by cao and Chuen Meei
alignment at 355nm 532nm and 1064nm at around 2:55pm by cao and leona 
alignment at 355nm 532nm and 1064nm at around 5:35pm by viviana and leona

Power measured at 10:30 am
         355nm  :  6.99 w ~ 7.00 w
         532nm  :  1.23 w ~ 1.24 w
         1064nm :  4.13 W ~ 4.14 w 

power measured at 2:50 pm 
         355nm  : 6.9  w
         532nm  : 1.23 w
         1064nm : 4.33 w

Power measured at 6:10pm
         355nm  : 6.67 w
         532nm  : 1.28 w
         1064nm : 3.95 W 
 
Data start and end: 10:00 am to 12:00 pm; restarted at 15:00 and stopped at 18:00.